DE3924903C2 - - Google Patents

Info

Publication number
DE3924903C2
DE3924903C2 DE3924903A DE3924903A DE3924903C2 DE 3924903 C2 DE3924903 C2 DE 3924903C2 DE 3924903 A DE3924903 A DE 3924903A DE 3924903 A DE3924903 A DE 3924903A DE 3924903 C2 DE3924903 C2 DE 3924903C2
Authority
DE
Germany
Prior art keywords
pressure lever
pressure
stop
yoke
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE3924903A
Other languages
German (de)
English (en)
Other versions
DE3924903A1 (de
Inventor
Koichi Kimura
Takeshi Matsumoto
Fumio Tokio/Tokyo Jp Otsuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Precision Inc
Original Assignee
Seikosha KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seikosha KK filed Critical Seikosha KK
Publication of DE3924903A1 publication Critical patent/DE3924903A1/de
Application granted granted Critical
Publication of DE3924903C2 publication Critical patent/DE3924903C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/485—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes
    • B41J2/505—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/27—Actuators for print wires
    • B41J2/275—Actuators for print wires of clapper type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies

Landscapes

  • Impact Printers (AREA)
  • Common Mechanisms (AREA)
DE3924903A 1988-07-29 1989-07-27 Druckkopf Granted DE3924903A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63189864A JPH0239947A (ja) 1988-07-29 1988-07-29 印字ヘッド

Publications (2)

Publication Number Publication Date
DE3924903A1 DE3924903A1 (de) 1990-02-08
DE3924903C2 true DE3924903C2 (enrdf_load_stackoverflow) 1991-11-21

Family

ID=16248455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3924903A Granted DE3924903A1 (de) 1988-07-29 1989-07-27 Druckkopf

Country Status (6)

Country Link
US (1) US4986676A (enrdf_load_stackoverflow)
JP (1) JPH0239947A (enrdf_load_stackoverflow)
KR (1) KR920004863B1 (enrdf_load_stackoverflow)
DE (1) DE3924903A1 (enrdf_load_stackoverflow)
GB (1) GB2221194B (enrdf_load_stackoverflow)
HK (1) HK23194A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG26407G (en) * 1988-12-09 1995-09-01 Seiko Epson Corp Wire-dot printer having printing wire driving device and manufacturing method thereof
US5213423A (en) * 1989-07-13 1993-05-25 Seiko Epson Corporation Printer with impact dot head
US5188467A (en) * 1990-06-16 1993-02-23 Citizen Watch Co., Ltd. Print head with energizing and return leaf springs
JP2548587Y2 (ja) * 1990-11-30 1997-09-24 シチズン時計株式会社 プリンタの印字ヘッド
US5242537A (en) * 1991-04-30 1993-09-07 The United States Of America As Represented By The Secretary Of The Navy Ion beam etching of metal oxide ceramics
GB9305282D0 (en) * 1993-03-15 1993-05-05 Ucb Sa Enantiomers of 1-(4-chlorophenyl)phenylmethyl)-4-(4-methylphenyl)sulphonyl)piperazine
JP3417677B2 (ja) * 1994-07-19 2003-06-16 沖電気工業株式会社 ワイヤドット印字ヘッド
US6682233B2 (en) * 2002-03-18 2004-01-27 Toshiba Tec Kabushika Kaisha Supporting structure of an armature of a wire dot printer head
JP4110158B2 (ja) * 2005-08-09 2008-07-02 セイコープレシジョン株式会社 プリンタ装置の印字ヘッド

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2056364B2 (de) * 1970-11-17 1976-05-13 Offermann, Karl Heinz, 4322 Sprockhövel Elektromagnetsystem fuer mosaik- druckwerke
IT956585B (it) * 1972-06-15 1973-10-10 Honeywell Inf Systems Perfezionamento alle testine di impressione per macchine stampan ti a composizione di carattere per punti
JPS5241019A (en) * 1975-09-29 1977-03-30 Kazunari Imahashi Matrix printer
JPS53141719A (en) * 1977-05-13 1978-12-09 Suwa Seikosha Kk Dot printer head
JPS53141717A (en) * 1977-05-13 1978-12-09 Suwa Seikosha Kk Dot printer head structure
US4230038A (en) * 1977-06-23 1980-10-28 Helmut Falk Matrix print head assembly
JPS5761577A (en) * 1980-10-01 1982-04-14 Oki Electric Ind Co Ltd Dot printer
JPS6042062A (ja) * 1983-08-19 1985-03-06 Canon Inc ワイヤドツトヘツド
US4661002A (en) * 1983-08-19 1987-04-28 Canon Kabushiki Kaisha Dot matrix printer
EP0139508B1 (en) * 1983-10-13 1991-07-24 Seiko Epson Corporation Wire dot matrix printer head
JPS60141568A (ja) * 1983-12-28 1985-07-26 Citizen Watch Co Ltd ドツトプリンタ用印字ヘツド
US4569605A (en) * 1984-02-02 1986-02-11 International Business Machines Corporation Wire driving armature for dot printer
EP0152117A3 (en) * 1984-02-16 1987-05-27 Dataproducts Corporation Actuator for dot matrix printhead
JPS61268458A (ja) * 1985-05-23 1986-11-27 Seikosha Co Ltd プリンタヘツド
JPS6297860A (ja) * 1985-10-24 1987-05-07 Tokyo Electric Co Ltd ドツトプリンタヘツド
DE3540761A1 (de) * 1985-11-16 1987-05-21 Mannesmann Ag Matrixdruckkopf
JPS6323041U (enrdf_load_stackoverflow) * 1986-07-28 1988-02-16
JPS6446235U (enrdf_load_stackoverflow) * 1987-05-11 1989-03-22
US4886381A (en) * 1988-05-06 1989-12-12 D. H. Technology, Inc. Dot matrix print head assembly

Also Published As

Publication number Publication date
KR920004863B1 (ko) 1992-06-19
GB2221194B (en) 1992-02-05
GB2221194A (en) 1990-01-31
JPH0579235B2 (enrdf_load_stackoverflow) 1993-11-01
JPH0239947A (ja) 1990-02-08
US4986676A (en) 1991-01-22
HK23194A (en) 1994-03-25
DE3924903A1 (de) 1990-02-08
GB8916641D0 (en) 1989-09-06
KR900001509A (ko) 1990-02-27

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING

8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: SEIKO PRECISION INC., TOKIO/TOKYO, JP